Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / arch / s390 / include / asm / tlbflush.h

diff --git a/kernel/arch/s390/include/asm/tlbflush.h b/kernel/arch/s390/include/asm/tlbflush.h
index ca148f7..0a20316 100644 (file)
--- a/kernel/arch/s390/include/asm/tlbflush.h
+++ b/kernel/arch/s390/include/asm/tlbflush.h
@@ -81,7 +81,8 @@ static inline void __tlb_flush_full(struct mm_struct *mm)
 }
 
 /*
- * Flush TLB entries for a specific ASCE on all CPUs.
+ * Flush TLB entries for a specific ASCE on all CPUs. Should never be used
+ * when more than one asce (e.g. gmap) ran on this mm.
  */
 static inline void __tlb_flush_asce(struct mm_struct *mm, unsigned long asce)
 {
@@ -110,8 +111,7 @@ static inline void __tlb_flush_asce(struct mm_struct *mm, unsigned long asce)
 static inline void __tlb_flush_kernel(void)
 {
        if (MACHINE_HAS_IDTE)
-               __tlb_flush_idte((unsigned long) init_mm.pgd |
-                                init_mm.context.asce_bits);
+               __tlb_flush_idte(init_mm.context.asce);
        else
                __tlb_flush_global();
 }
@@ -133,8 +133,7 @@ static inline void __tlb_flush_asce(struct mm_struct *mm, unsigned long asce)
 static inline void __tlb_flush_kernel(void)
 {
        if (MACHINE_HAS_TLB_LC)
-               __tlb_flush_idte_local((unsigned long) init_mm.pgd |
-                                      init_mm.context.asce_bits);
+               __tlb_flush_idte_local(init_mm.context.asce);
        else
                __tlb_flush_local();
 }
@@ -148,8 +147,7 @@ static inline void __tlb_flush_mm(struct mm_struct * mm)
         * only ran on the local cpu.
         */
        if (MACHINE_HAS_IDTE && list_empty(&mm->context.gmap_list))
-               __tlb_flush_asce(mm, (unsigned long) mm->pgd |
-                                mm->context.asce_bits);
+               __tlb_flush_asce(mm, mm->context.asce);
        else
                __tlb_flush_full(mm);
 }